diff --git a/CHANGES.rst b/CHANGES.rst
index 284dbb7..7dfa561 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,8 +2,8 @@ Changelog
 =========
 
 
-1.0 (unreleased)
-----------------
+1.0rc1 (2013-03-27)
+-------------------
 
 - Added hidden and rtf mode templates.
   [vincentfretin]
diff --git a/setup.py b/setup.py
index 895ab49..2994f54 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@ long_description = (
 
 setup(
     name='collective.contact.widget',
-    version='1.0.dev0',
+    version='1.0rc1',
     description="Contact widget",
     long_description=long_description,
     # Get more from http://pypi.python.org/pypi?%3Aaction=list_classifiers